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Finding the Fourth Proportional to 296.66, 444.58 and 166.64

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Solution

The fourth proportional to 296.66, 444.58 and 166.64 is: 249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.66 : 444.58 = 166.64 : x
  2. Step 2: Convert to fraction form
    296.66/444.58 = 166.64/x
  3. Step 3: Cross multiply
    296.66x = 444.58 × 166.64
  4. Step 4: Simplify right side
    296.66x = 74,084.81
  5. Step 5: Solve for x
    x = 74,084.81/296.66
  6. Step 6: Final answer
    x = 249.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.